This series of six activities encourages students to think about the characteristics of life and the possibility of looking for life on Mars. The first three activities from Destination: Mars establish the criteria for recognizing life. The other...(View More) activities use the criteria for more advanced investigations. These activities are part of an astrobiology guide called the "Fingerprints of Life" which contains background information for students, worksheets, extension activities, suggested assessments, and alignment to standards.(View Less)